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56088 Wuheng (1999 AZ23)
Classification: Main-belt Asteroid          SPK-ID: 2056088
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1566354476087584 4.6553e-08  
a 2.618416185898476 1.1834e-08 au
q 2.20827939459425 1.2433e-07 au
i 13.271244243913 3.6663e-06 deg
node 42.76221345282374 1.9404e-05 deg
peri 83.32075215942533 2.6849e-05 deg
M 23.76967413423223 1.5055e-05 deg
tp 2458898.317348136742
(2020-Feb-18.81734814)
6.4871e-05 TDB
period 1547.591879595668
4.24
1.0492e-05
2.873e-08
d
yr
n .2326194681856663 1.577e-09 deg/d
Q 3.028552977202702 1.3688e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1760  
   data-arc span      9237 days (25.29 yr)  
   first obs. used      1995-02-26  
   last obs. used      2020-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4542  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 22:22:25  

Additional Information
 Earth MOID = 1.2696 au 
 Jupiter MOID = 2.17252 au 
 T_jup = 3.351 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.9   n/a MPO365901  
diameter diameter 4.571 km 0.158 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.280   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56088 Wuheng           Discovered 1999 Jan. 14 by the Beijing Schmidt CCD Asteroid Program at Xinglong.
Heng Wu (1914-1999) was the founder and organizer of Antarctic research in China.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040306/MPCPages.arcLast Updated: 2004-03-08

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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